Grease baking sheet, set to side
Preheat oven to 450F
Mix dry ingredients in a bowl
Mix in butter, until coarse texture
Pour in curdled milk and puree, knead
Roll flat but not thin, like 1/2 inch give and take, and cut rounds.
Place on pan, sprinkle top with a little sugar
Bake for 8-10 mins
Cool on rack